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swc_ecma_lexer
v35.0.0 GrowingFeature-complete es2019 parser.
Apache-2.0 Edition 2021
Quick Verdict
- โActively maintained (updated 6d ago)
- โPermissive license (Apache-2.0)
Security
Checking security advisories...
Downloads
2.8M
Dependents
99
Releases
51
Size
142KB
Deep Insights
๐
Stable downloads
213.8K downloads in the last 30 days (7.1K/day). Volume is roughly flat compared to the previous period.
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Prolific maintainer
The primary maintainer publishes 215 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
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Used by top crates
Notable dependents include deno_ast, dprint-swc-ext, dioxus-cli-opt, quickjs_runtime, swc_fast_ts_strip. When high-quality crates choose swc_ecma_lexer, it's a strong quality signal.
Health Breakdown
Maintenance 20/25
Recency, release consistency, active ratio
Quality 17/25
Yanked ratio, deps, size, maturity, features
Community 8/20
Reverse deps, ownership, ecosystem
Popularity 8/15
Downloads, momentum, growth trend
Documentation 13/15
Docs, repo, license, metadata
Download Trend
Daily downloads ยท last 90 days
6K/day avg+72%
Top Dependents
Most downloaded crates that depend on swc_ecma_lexer
Version Adoption
v23.0.1
49%
v23.0.2
24%
v26.0.0
14%
v22.0.2
6%
v24.0.1
6%
Release Timeline
51 releasessince 2025
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2026
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Feature Flags
default =["typescript", "stacker"]
debugverifytypescript*tracing-spans
README
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Maintainers
Dependencies
18
direct dependencies
Dependents
99
crates depend on swc_ecma_lexer